CN214353643U

CN214353643U - Hot air auxiliary mechanism and hot air device

Info

Publication number: CN214353643U
Application number: CN202022023744.9U
Authority: CN
Inventors: 曹谦; 龙伟; 刘秒伶
Original assignee: Zhuozhou Zhuoer Technology Co ltd
Current assignee: Zhuozhou Zhuoer Technology Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-10-08
Anticipated expiration: 2030-09-15

Abstract

The utility model provides a hot-blast complementary unit for pencil pyrocondensation, include the sleeve and be annular cavity casing, sleeve one end and cavity casing intercommunication, the telescopic other end is equipped with and is used for the intercommunication the interface of air heater body air outlet, the inner wall circumference of cavity casing is encircleed and is equipped with the air-out piece. Also provides a hot air device with the hot air auxiliary mechanism. The utility model discloses a simple structure, cavity casing are the loop configuration, and hot-blast all directions of blowing off can be followed, make heat shrinkage bush be heated comparatively evenly, improve production efficiency, reduce the defective rate of product.

Description

Hot air auxiliary mechanism and hot air device

Technical Field

The utility model belongs to the technical field of the pencil pyrocondensation, in particular to hot-blast complementary unit and hot-blast device.

Background

Automobile wire harnesses are very important as nerve veins of automobiles, and are required to have high and low temperature resistance, humidity cycle change performance, vibration resistance, smoke resistance and industrial solvent resistance, so that external protection of the wire harnesses is critical. Especially for metal pads on wire harnesses, heat shrink tubing is often required for protection. The existing heat-shrinkable technology generally adopts an air heater or a hot air gun to shrink, is provided with a duckbilled air outlet hot air auxiliary device, only one direction of a heat-shrinkable sleeve is heated during shrinking, a wire harness needs to be manually rotated to enable the heat-shrinkable sleeve to shrink completely, and due to the fact that the rotating speed time cannot be controlled, the heat-shrinkable sleeve is heated unevenly, shrinkage deformation easily occurs, the phenomenon of poor shrinkage is not achieved, and production efficiency is low.

Therefore, it is necessary to provide a hot air auxiliary mechanism and a hot air device with simple structure, which can effectively improve the thermal shrinkage efficiency and reduce the fraction defective of products.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot-blast complementary unit and hot-blast device, it is heated only to aim at pyrocondensation one direction among the solution prior art, needs the manual work to rotate the pencil, and production efficiency is low to take place the shrink easily and warp, shrink not in place technical problem.

The utility model provides a hot-blast complementary unit for pencil pyrocondensation, include the sleeve and be annular cavity casing, sleeve one end and cavity casing intercommunication, the telescopic other end is equipped with and is used for the intercommunication the interface of air heater body air outlet, the inner wall circumference of cavity casing is encircleed and is equipped with the air-out piece.

Furthermore, the air outlet piece is a plurality of air outlet holes, and the air outlet holes are circumferentially arranged on the inner wall in a surrounding mode.

Furthermore, the intervals between the adjacent air outlet holes are equal.

Furthermore, a notch for the wiring harness to pass through is formed in the cavity shell.

Furthermore, a first flow channel and a second flow channel are separated from one end, close to the sleeve, of the inner cavity of the cavity shell through a spoiler by the hot air auxiliary mechanism, and the flow area of an inlet of the first flow channel is smaller than that of an inlet of the second flow channel; the air outlet piece close to the interface is communicated with the first flow channel, and the rest air outlet pieces are communicated with the second flow channel.

The utility model also provides a hot-blast device, including air heater body and foretell hot-blast complementary unit.

Further, the air heater body comprises a shell, a heating assembly and a fan assembly, wherein the heating assembly is communicated with the fan assembly and is arranged in the shell; an air inlet is formed in the position, corresponding to the fan assembly, of the shell, and the air outlet is formed in the position, corresponding to the heating assembly, of the shell.

Further, the air heater body still includes accuse temperature subassembly and wind speed adjusting part, accuse temperature subassembly with wind speed adjusting part all set up in the shell, accuse temperature subassembly with heating element electric connection, wind speed adjusting part with fan subassembly electric connection.

Furthermore, the air heater body also comprises a voltage output assembly, the voltage output assembly comprises a power supply, a transformer and a circuit board which are electrically connected in sequence, and the transformer and the circuit board are both arranged in the shell; the circuit board is electrically connected with the temperature control assembly and the wind speed adjusting assembly respectively.

Further, the heating assembly comprises a heating wire and a heat insulation layer, and the heat insulation layer is sleeved outside the heating wire.

The utility model provides a hot-blast complementary unit and hot-blast device's beneficial effect lies in: the hot air device comprises an air heater body and a hot air auxiliary mechanism, the hot air auxiliary mechanism comprises a sleeve and a cavity shell communicated with one end of the sleeve, the other end of the sleeve is communicated with an air outlet of the air heater body, and the hot air device is simple in structure. The cavity casing is the annular, and circumference is encircleed on the inner wall and is equipped with air-out spare, only needs to wrap up the heat-shrinkable tube who lives the pencil during pyrocondensation and places in the intra-annular of annular cavity casing, combines air-out spare on the inner wall, and hot-blast can encircle heat-shrinkable tube each direction and blow off, and the each direction of heat-shrinkable tube is heated simultaneously, and the time of being heated is the same, makes heat-shrinkable tube be heated comparatively evenly, improves production efficiency, reduces the defective rate of product.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a hot wind assist mechanism in the present embodiment;

FIG. 2 is a schematic structural view of the hot air device in the present embodiment;

fig. 3 is a sectional view of the hot wind device in this embodiment.

The designations in the figures mean:

1. a hot air blower body; 11. a housing; 12. a heating assembly; 121. an electric heating wire; 122. a thermal insulation layer; 13. a fan assembly; 14. a temperature control assembly; 15. a wind speed adjustment assembly; 161. a power source; 162. a transformer; 163. a circuit board; 2. a hot air auxiliary mechanism; 21. a sleeve; 22. a cavity shell; 221. an air outlet; 23. a notch; 24. a spoiler.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It is to be understood that the terms "upper", "lower", "left", "right", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of this patent. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise. Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

It should also be noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to explain the technical solution of the present invention, the following detailed description is made with reference to the specific drawings and examples.

Referring to fig. 1, the present embodiment provides a hot air assisting mechanism 2 for thermal shrinkage of a wire harness, which includes a sleeve 21 and an annular cavity housing 22, wherein one end of the sleeve 21 is communicated with the cavity housing 22, the other end of the sleeve 21 is provided with a port for communicating with an air outlet of an air heater body 1, and an air outlet member is circumferentially arranged on an inner wall of the cavity housing 22.

As shown in fig. 1, the hot air auxiliary mechanism 2 includes a sleeve 21 and an annular cavity housing 22, one end of the sleeve 21 is communicated with the cavity housing 22, the other end of the sleeve 21 is provided with a port for communicating with the air outlet of the air heater body 1, and the port is in interference fit with the air outlet of the air heater body 1. The inner wall circumference of cavity casing 22 is encircleed and is equipped with air-out spare, distinguishes the hot-blast assistor of duckbilled type among the prior art, and cavity casing 22 is the annular in this embodiment, and air-out spare encircles the setting in cavity casing 22's inner wall circumference, and hot-blast each direction air-out of following can be followed to hot-blast, and heat shrinkage bush places in the intra-annular, and each direction contracts simultaneously, and the time and the state that each direction was heated are unanimous, and it is comparatively even to be heated, has improved pyrocondensation efficiency and has guaranteed the pyrocondensation quality. The annular cavity housing 22 may be made of 304 stainless steel, and may be a circular ring or other polygonal rings, and the air outlet is more uniform due to the circular ring structure adopted in this embodiment. The air outlet member may be an air outlet 221 circumferentially arranged around the inner wall, or an air outlet groove circumferentially extending along the inner wall, and the number of the air outlet grooves may be one or more than one.

The hot air auxiliary mechanism 2 provided by the embodiment has the beneficial effects that: the hot air auxiliary mechanism 2 comprises a sleeve 21 and a cavity shell 22 communicated with one end of the sleeve 21, the other end of the sleeve 21 is communicated with an air outlet of the air heater body 1, and the structure is simple. Cavity casing 22 is the annular, and circumference is encircleed on the inner wall and is equipped with air-out spare, only needs to wrap up the heat-shrinkable tube who lives the pencil during pyrocondensation and places in annular cavity casing 22's the intra-annular, combines air-out spare on the inner wall, and hot-blast can encircle heat-shrinkable tube each direction and blow off, and the each direction of heat-shrinkable tube is heated simultaneously, and the time of being heated is the same, makes heat-shrinkable tube be heated comparatively evenly, improves production efficiency, reduces the defective rate of product.

As a further preferred feature of this embodiment, the air outlet member is a plurality of air outlet holes 221, and the plurality of air outlet holes 221 are circumferentially disposed on the inner wall.

As shown in fig. 1 and 2, the air outlet member in this embodiment is a plurality of air outlet holes 221, and the plurality of air outlet holes 221 extend along the annular direction of the inner wall, so that the hot air can be exhausted from all directions. The air outlets 221 may or may not be equidistantly arranged, and the distance between adjacent air outlets 221 decreases progressively in the direction away from the sleeve 21 according to the actual situation that the wind power is larger as the air outlet is closer to the sleeve 21.

As a further preferred feature of this embodiment, the adjacent outlet holes 221 are equally spaced. As shown in fig. 2 and 3, the adjacent air outlets 221 in this embodiment are equally spaced, that is, the air outlets 221 are equidistantly disposed on the inner wall.

As a further preference of this embodiment, the cavity housing 22 is provided with a notch 23 for traversing the wiring harness.

As shown in fig. 1 and fig. 2, a notch 23 is provided on the cavity housing 22, and in this embodiment, the notch 23 is disposed at the uppermost end of the cavity housing 22, and may also be disposed in other directions such as a side surface, for conveniently placing a wire harness. The thermal shrinkage bush wraps up on the pencil, can pass the pencil from the annular, makes the thermal shrinkage bush be located the intra-annular, and hot-blast air-out spare flows out and acts on the thermal shrinkage bush, carries out the pyrocondensation to the thermal shrinkage bush. And some pencil overlengths, the pencil passes the operation inconvenience of annular department, and breach 23 can be with the pencil correspond the position of heat shrinkage bush directly put into the intra-annular and carry out pyrocondensation processing, and it is more convenient to operate, has further promoted production efficiency.

As a further preference of this embodiment, the hot air auxiliary mechanism 2 separates a first flow passage and a second flow passage through a spoiler 24 at one end of the inner cavity of the cavity shell 22 close to the sleeve 21, and the flow area at the inlet of the first flow passage is smaller than that at the inlet of the second flow passage; the air outlet piece close to the interface is communicated with the first flow channel, and the rest air outlet pieces are communicated with the second flow channel.

As shown in fig. 3, two spoilers 24 are symmetrically disposed inside one end of the sleeve 21 close to the cavity housing 22, the two spoilers 24 respectively extend along inner cavities at two sides of the cavity housing 22, a first flow channel is formed by an interval between the two spoilers 24, and a second flow channel is formed by an interval between the spoiler 24 and an inner wall of the sleeve 21 close to the spoiler extending towards the cavity housing 22. Hot air can flow in from the sleeve 21, and according to the principle of hydrodynamics, when the hot air flows in the cavity shell 22, the wind force of the air outlet 221 close to the sleeve 21 is large, and the wind force of the air outlet 221 far away from the sleeve 21 is small. In order to solve the problem, the spoilers 24 are arranged inside one end of the sleeve 21 close to the cavity shell 22, the two spoilers 24 are symmetrically arranged, and the air flow is adjusted by the spoilers 24, so that the air flow entering the middle of the two spoilers 24 is smaller than the air flow entering the left side and the right side, namely the flow area at the inlet of the first flow channel is smaller than that at the inlet of the second flow channel, the air outlet part close to the interface is communicated with the first flow channel, and the other air outlet parts are communicated with the second flow channel, so that the air flow velocity of all the air outlet holes is kept consistent.

The embodiment further provides a hot air device, which comprises an air heater body 1 and the hot air auxiliary mechanism 2.

As shown in fig. 2 and 3, hot air flows out from the air outlet, enters the cavity housing 22 through the sleeve 21, circulates in the annular cavity housing 22, and flows out from the air outlet member circumferentially arranged on the inner wall of the annular cavity housing. All directions of the heat-shrinkable sleeve can be heated simultaneously, and the production efficiency and the heat-shrinkable quality are improved.

As a further preference of this embodiment, the air heater body 1 includes a housing 11, a heating assembly 12 and a fan assembly 13, the heating assembly 12 is communicated with the fan assembly 13, and both are disposed in the housing 11; an air inlet is arranged on the shell 11 corresponding to the fan assembly 13, and an air outlet is arranged on the shell 11 corresponding to the heating assembly 12.

As shown in fig. 3, the air heater body 1 includes a housing 11, a heating assembly 12 and a fan assembly 13, the heating assembly 12 is communicated with the fan assembly 13 and both disposed in the housing 11, and the housing 11 is further provided with an air inlet and an air outlet at corresponding positions. The air heater is opened, air flow enters the fan assembly 13 from the air inlet, the fan assembly 13 comprises a fan and a turbine arranged on the periphery of the fan, the turbine is matched with the fan to guide the air flow to the heating assembly 12, and the air flow is prevented from flowing backwards. The air flow is heated in the heating assembly 12 to form hot air, and then flows out from the air outlet and gushes into the cavity shell 22 through the sleeve 21.

As a further preferred feature of this embodiment, the air heater body 1 further includes a temperature control assembly 14 and an air speed adjusting assembly 15, the temperature control assembly 14 and the air speed adjusting assembly 15 are both disposed in the housing 11, the temperature control assembly 14 is electrically connected to the heating assembly 12, and the air speed adjusting assembly 15 is electrically connected to the fan assembly 13.

As shown in fig. 3, the temperature control assembly 14 is disposed in the housing 11 and electrically connected to the heating assembly 12, and can control the heating temperature of the heating assembly 12, so as to control the temperature of the hot air. The air speed adjusting assembly 15 is arranged in the shell 11 and electrically connected with the fan assembly 13, and can control the rotating speed of the fan, so that the flow speed of hot air can be controlled.

As a further preference of this embodiment, the air heater body 1 further includes a voltage output assembly, the voltage output assembly includes a power source 161, a transformer 162 and a circuit board 163 electrically connected in sequence, and the transformer 162 and the circuit board 163 are both disposed in the housing 11; the circuit board 163 is electrically connected to the temperature control module 14 and the wind speed adjusting module 15, respectively.

As shown in fig. 3, the rotation speed of the fan assembly 13 and the heating power of the heating assembly 12 are controlled by voltage. The voltage output assembly comprises a power supply 161, a transformer 162 and a circuit board 163 which are electrically connected in sequence, the power supply 161 is inserted into a socket, current flows into the transformer 162, 220v voltage alternating current is converted into 64v voltage alternating current, then the alternating current is converted into direct current through the circuit board 163, the temperature control assembly 14 and the air speed adjusting assembly 15 are input, when the air heater is used, the temperature can be controlled by changing the voltage input into the heating assembly 12 through the temperature control assembly 14, and the air speed adjusting assembly 15 controls the voltage input into the fan assembly 13 so as to control the rotating speed of the fan to adjust the wind power. Air is pumped in by the fan, heated to a proper temperature by the heating component 12 and blown out from the air outlet.

As a further preference of this embodiment, the heating assembly 12 includes a heating wire 121 and a heat insulation layer 122, and the heat insulation layer 122 is sleeved outside the heating wire 121.

As shown in fig. 3, the heating assembly 12 includes a heating wire 121 and a heat insulation layer 122, the heating wire 121 is used for heating air, and the heat insulation layer 122 isolates hot air in the heating assembly 12 and blows out the hot air from the air outlet, so as to prevent the hot air from damaging other internal structures and parts.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. It should be noted that there are infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that various improvements, decorations or changes can be made without departing from the principles of the present invention, and the technical features can be combined in a suitable manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. The utility model provides a hot-blast complementary unit for pencil pyrocondensation, its characterized in that includes the sleeve and is annular cavity casing, sleeve one end and cavity casing intercommunication, the telescopic other end is equipped with the interface that is used for communicateing the air heater body air outlet, the inner wall circumference of cavity casing is encircleed and is equipped with the air-out spare.

2. The hot air auxiliary mechanism according to claim 1, wherein the air outlet member is a plurality of air outlet holes, and the plurality of air outlet holes are circumferentially arranged on the inner wall.

3. The hot air auxiliary mechanism as claimed in claim 2, wherein the adjacent air outlets are spaced equally.

4. The hot air assist mechanism as claimed in claim 1, wherein the cavity housing is provided with a notch for traversing the wire harness.

5. The hot air auxiliary mechanism as claimed in claim 1, wherein the hot air auxiliary mechanism separates a first flow passage and a second flow passage at one end of the cavity housing close to the sleeve by a spoiler, and the flow area at the inlet of the first flow passage is smaller than that at the inlet of the second flow passage; the air outlet piece close to the interface is communicated with the first flow channel, and the rest air outlet pieces are communicated with the second flow channel.

6. A hot air device comprising a hot air blower main body and the hot air assist mechanism according to any one of claims 1 to 5.

7. The hot air device according to claim 6, wherein the hot air blower body comprises a housing, a heating assembly and a fan assembly, the heating assembly and the fan assembly being in communication and both disposed in the housing; an air inlet is formed in the position, corresponding to the fan assembly, of the shell, and the air outlet is formed in the position, corresponding to the heating assembly, of the shell.

8. The hot air device according to claim 7, wherein the hot air blower body further comprises a temperature control assembly and an air speed adjusting assembly, the temperature control assembly and the air speed adjusting assembly are both disposed in the housing, the temperature control assembly is electrically connected to the heating assembly, and the air speed adjusting assembly is electrically connected to the fan assembly.

9. The hot air device according to claim 8, wherein the hot air blower body further comprises a voltage output assembly, the voltage output assembly comprises a power supply, a transformer and a circuit board which are electrically connected in sequence, and the transformer and the circuit board are both arranged in the housing; the circuit board is electrically connected with the temperature control assembly and the wind speed adjusting assembly respectively.

10. The hot air device according to claim 7, wherein said heating assembly comprises a heating wire and a thermal insulation layer, said thermal insulation layer being disposed over said heating wire.